cDNA is supplied as First Strand, Multiple Tissue Panels, and Matched Pairs. PCR-ready First Strand cDNA is tissue specific and are ready-to-use for gene discovery or expression analysis. Over 350 cDNAs from human adult and fetal normal tissues, human diseased and tumor tissues, rat, mouse, monkey and plant tissues are included in this extensive collection.

Description

Our high quality cDNA libraries are constructed by using an oligo dT primer-adapter and Moloney Murine Leukemia Virus Reverse Transcriptase (M-MLV RT) to prime and synthesize first strand cDNA from mRNA. After the second strand is synthesized, the double stranded cDNA is size fractionated, cloned directionally into our vector and transformed into T1 phage resistant E. coli. Average insert size and insert size range are determined by restriction enzyme digestion of 24 clones picked at random from each library. The 4 kb vector used for cloning is Puc based, confers ampicillin resistance and contains the CMV promoter for expression analysis. This vector also contains the SP6 and T7 RNA polymerase promoters flanking the MCS for RNA synthesis, the Amersham ET and M13 primer sites for sequencing and the F1 ori for single-stranded DNA production. By cloning the cDNA directionally into this vector the cDNA clones can be expressed, detected by antibody screening and the libraries can be used to produce normalized or subtracted libraries.

Quality Control

1. Minimum number of primary clones: 10e6

2. Minimum percentage of recombinant clones: 87%

3. Minimum insert size: 1 kb

4. Average number of primary clones: 3x10e6

5. Average percentage of recombinant clones: 95%

6. Average insert size: 1.5 kb

Storage and Stability

Store at -70°C. Stable for three years from the date of receipt under proper storage condition.

Important Note

This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications without the expressed written authorization of United States Biological.